Sangha (Pali: सन्घ saṅgha; Sanskrit: संघ saṃgha; Wylie: 'dus sde) is a word in Pali and Sanskrit meaning "association", "assembly," "company" or "community" and most commonly refers in Buddhism to the monastic community of ordained Buddhist monks or nuns. This community is traditionally referred to as the bhikkhu-sangha or bhikkhuni-sangha. Within this community those who have attained a higher level of realisation are referred to as the ariya-sangha or "noble Sangha".
The Sangha also includes lay people who are personally dedicated to the discipline of dhamma-vinaya. This use of the word "Sangha" is only sometimes found in the Pali texts.
Read more about Sangha: Defining Sangha, Qualities of The Sangha, Monastic Tradition, Women's Role in The Sangha, Sangha As A General Reference To Buddhist Community, Samgha in Mahayana Buddhism